Fig. 16.1 Unlinked total elbow prosthesis (a); linked, semi-constrained elbow prosthesis (b) While there appears to be no difference in functional outcome between linked and unlinked TEA for rheumatoid arthritis…
Fig. 1.1 Illustration showing the static and dynamic constraints to instability. The three primary static constraints to elbow instability are the ulnohumeral articulation, the anterior medial collateral ligament (AMCL) ,…
Preoperative X-rays: The AP and cross-table lateral radiograph of the right hip show a previous core decompression of the right hip with evidence of focal collapse of the superomedial femoral…
Figure 21.1 Anteroposterior radiograph of the left hip before the core decompression. There is good articular space and no evidence of collapse of the femoral head Figure 21.2 Lateral radiograph…
Figure 16.1 Diagram of bone grafting pedicled with femoral quadratus. (a) ONFH. (b) A fenestration groove is made below the cartilage edge of the femoral head at the posterior side…
Figure 6.1 AP and frog-leg lateral radiographs of the right (a, c) and left (b, d) hips showing faint sclerosis of the femoral heads consistent with osteonecrosis; however there were…
Factor V Leiden PTG TC PAIG 4G4G MTHFR TT Factor VIII >150% Factor XI >150% Homocysteine higha Idiopathic osteonecrosis 20/220 10/213 59/210 44/211 39/161 10/154 24/196 (n = 221)…
Figure 8.1 Preoperative anteroposterior (a) and lateral (b) radiographs of the right hip Figure 8.2 Preoperative coronal T1-weighted MRI of the right hip Diagnosis/Assessment The patient’s history, physical, and imaging…
Figure 19.1 Preoperative radiographs showing no acetabular involvement Management After consultation, the patient was counseled that it would be best to proceed with a nonvascularized bone grafting as he preferred…
Figure 18.1 Preoperative radiographs showing femoral head collapse and acetabular involvement Management After consultation, the patient was informed of the post-collapse disease within the right hip. At that point, she…
